TDI 130 6 speeder. got the helix clutch just need a flywheel as dont wana pay 300 + vat for a helix one. my clutch invoice says 1.8T on it, so petrol stuff must fit TDI's aslong as theyre 6spAwesome gti but you wont find it on their website ... you will have to phone them up and ask about it.
Jabbasport also should be able to sort you out.
Valeo make SMF too i think.
What car do you have?